Now showing items 21-36 of 36

    • Temperature and Salinity Tolerances Predict Range Expansion for Two Invasive Marine Invertebrates 

      Dassuncao, Clifton (Massachusetts Institute of Technology. Sea Grant College Program, 2009-05)
      Aquatic invasions of nonindigenous species have increased dramatically due to the globalization of consumer goods, which relies on shipping to connect once isolated marine environments (Bright 1999, Barbier and Shogren ...
    • Development and application of distributed MEMS pressure sensor array for AUV object avoidance 

      Fernandez, Vicente Ignacio; Hou, Stephen M.; Hover, Franz S.; Lang, Jeffrey H.; Triantafyllou, Michael S. (Massachusetts Institute of Technology. Sea Grant College Program, 2009-07)
      A novel sensory system is being developed for AUVs to augment current sensory systems for navigation and operation in difficult environments. These environments are frequently cluttered and murky with substantial flow from ...
    • Marine Introduced Species Q13: Are threats from marine invasive species increasing in Massachusetts and Cape Cod Bays? 

      Pappal, Adrienne; Smith, Jan; Pederson, Judith (Massachusetts Institute of Technology. Sea Grant College Program, 2010)
      Non-native species have emerged as one of the leading environmental threats to our coastal habitats. These species have been recognized globally as a major threat to biological diversity as well as to agriculture and other ...
    • Acoustic Communication Networks for Distributed Autonomous Underwater Platforms: Progress Report 

      Stojanovic, Milica (Massachusetts Institute of Technology. Sea Grant College Program, 2010-07)
      The ultimate goal of this project is to design and develop an experimental platform for testing and evaluation of mobile underwater acoustic networking. This report represents a cumulative summary of research and engineering ...
    • Science and Technology Challenges and Potential Game-changing Opportunities 

      Triantafyllou, Michael S. (Massachusetts Institute of Technology. Sea Grant College Program, 2011)
      The future of naval engineering in the 21st century will be shaped by novel and emerging technologies that will not only provide unprecedented capabilities but also require radical rethinking of naval ship and vehicle ...
    • Architectural Model to Enable Power System Tradeoff Studies (PPT presentation) 

      Chryssostomidis, Chryssostomos; Chalfant, Julie; Hanthorn, David (Massachusetts Institute of Technology. Sea Grant College Program, 2011)
    • Architectural Model to Enable Power System Tradeoff Studies 

      Chryssostomidis, Chryssostomos; Chalfant, Julie; Hanthorn, David; Kirtley, James L., Jr.; Angle, Matthew G. (Massachusetts Institute of Technology. Sea Grant College Program, 2011)
      We continue the development of an overall architectural model for an all-electric ship using a physics-based simulation environment to perform fully-integrated simulation of electrical, hydrodynamic, thermal, and structural ...
    • Conserving Energy with No Watt Left Behind 

      Leeb, Steven B.; Kirtley, James L., Jr. (Massachusetts Institute of Technology. Sea Grant College Program, 2011-04)
      Facilities managers for industrial and commercial sites want to develop detailed electrical consumption profiles of their electrical and electromechanical loads, including expensive physical plant for heating, ventilation, ...
    • MOOS-IvP Autonomy Tools Users Manual - Release 4.2.1 

      Benjamin, Michael Richard (Massachusetts Institute of Technology. Sea Grant College Program, 2011-07)
      This document describes 19 MOOS-IvP autonomy tools. uHelmScope provides a run-time scoping window into the state of an active IvP Helm executing its mission. pMarineViewer is a geo-based GUI tool for rendering marine ...
    • An Overview of MOOS-IvP and a Users Guide to the IvP Helm - Release 4.2.1 

      Benjamin, Michael Richard; Schmidt, Henrik; Newman, Paul; Leonard, John Joseph (Massachusetts Institute of Technology. Sea Grant College Program, 2011-08)
      This document describes the IvP Helm - an Open Source behavior-based autonomy application for unmanned vehicles. IvP is short for interval programming - a technique for representing and solving multi-objective optimizations ...
    • Planning for the Future: Climate Adaptation in Hazard Mitigation Plans and Comprehensive Water Resource Management Plans 

      Bailey, Gregory; Baril, Jacob A.; Bellini, Jonas A. (Massachusetts Institute of Technology. Sea Grant College Program, 2012-03)
      This project investigated whether hazard mitigation plans (HMPs) and comprehensive water resource management plans (CWRMPs) completed by cities and towns in Massachusetts account for the long term effects of climate change. ...
    • Dual Ring Bus Electrical Distribution System for US Navy Destroyer- and Frigate-sized Vessels 

      Cooke, Chathan M.; Chalfant, Julie; Chryssostomidis, Chryssostomos (Massachusetts Institute of Technology. Sea Grant College Program, 2012-12)
      In response to a Request for Information from the Office of Naval Research regarding electrical architectures to be considered in an architecture evaluation study for two candidate hull forms including a 10,000 ton ...
    • System-level Modeling of Cooling Networks in All Electric Ships 

      Babaee, Hessam (Massachusetts Institute of Technology. Sea Grant College Program, 2014)
      A Thermal management simulation tool is required to rapidly and accurately evaluates and mitigates the adverse effects of increased heat loads in the initial stages of design in all electric ships. By reducing the dimension ...
    • Parametric Optimization of S-type Cables 

      Babaee, Hessam (Massachusetts Institute of Technology. Sea Grant College Program, 2014)
      We formulated an S-curve parameterization for re-routing a cable path for a given offset displacement. In our approach we assume the cable path to follow a tangent hyperbolic curve. In our formulation, after taking the ...
    • Interim Report on S3D/LEAPS Integration 

      Chalfant, Julie; Ferrante, Matthew D.; Noble, James A. (Massachusetts Institute of Technology. Sea Grant College Program, 2014-09)
      The Naval Surface Warfare Center Carderock Division has created the Leading Edge Architecture for Prototyping Systems, or LEAPS, as the data repository for ship design, and a significant number of the early-stage ship ...
    • Optimization of Lithium Iron Phosphate Battery Charging and Performance 

      Misic, Aleksandar (Massachusetts Institute of Technology. Sea Grant College Program, 2014-09)
      The goal of this project is to efficiently and safely charge a 5kWh battery pack in 15 minutes. Since the project is still in progress, this report describes experiments on a 56Wh battery. Experiments were performed to ...